168730880

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2243

約数の個数: 72

約数和(自身を含む): 410978904

約数和(自身を除く): 242248024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1952, 2161, 2440, 3904, 4322, 4880, 7808, 8644, 9760, 10805, 15616, 17288, 19520, 21610, 34576, 39040, 43220, 69152, 78080, 86440, 131821, 138304, 172880, 263642, 276608, 345760, 527284, 553216, 659105, 691520, 1054568, 1318210, 1383040, 2109136, 2636420, 2766080, 4218272, 5272840, 8436544, 10545680, 16873088, 21091360, 33746176, 42182720, 84365440, 168730880]

約数ペア:

[(1, 168730880), (2, 84365440), (4, 42182720), (5, 33746176), (8, 21091360), (10, 16873088), (16, 10545680), (20, 8436544), (32, 5272840), (40, 4218272), (61, 2766080), (64, 2636420), (80, 2109136), (122, 1383040), (128, 1318210), (160, 1054568), (244, 691520), (256, 659105), (305, 553216), (320, 527284), (488, 345760), (610, 276608), (640, 263642), (976, 172880), (1220, 138304), (1280, 131821), (1952, 86440), (2161, 78080), (2440, 69152), (3904, 43220), (4322, 39040), (4880, 34576), (7808, 21610), (8644, 19520), (9760, 17288), (10805, 15616)]